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Stable Channel Update for Desktop

Description

The Stable channel has been updated to 91.0.4472.101 for Windows, Mac and Linux which will roll out over the coming days/weeks. A full list of changes in this build is available in the [log](<https://chromium.googlesource.com/chromium/src/+log/91.0.4472.77..91.0.4472.101?pretty=fuller&n=10000>). Interested in switching release channels? Find out how [here](<https://www.chromium.org/getting-involved/dev-channel>). If you find a new issue, please let us know by [filing a bug](<https://crbug.com/>). The [community help forum](<https://productforums.google.com/forum/#!forum/chrome>) is also a great place to reach out for help or learn about common issues. Security Fixes and Rewards Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven't yet fixed. This update includes [14](<https://bugs.chromium.org/p/chromium/issues/list?can=1&q=type%3Abug-security+os%3DAndroid%2Cios%2Clinux%2Cmac%2Cwindows%2Call%2Cchrome+label%3ARelease-1-M91>) security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the [Chrome Security Page](<https://sites.google.com/a/chromium.org/dev/Home/chromium-security>) for more information. [$25000][[1212618](<https://crbug.com/1212618>)] Critical CVE-2021-30544: Use after free in BFCache. Reported by Rong Jian and Guang Gong of 360 Alpha Lab on 2021-05-24 [$20000][[1201031](<https://crbug.com/1201031>)] High CVE-2021-30545: Use after free in Extensions. Reported by kkwon with everpall and kkomdal on 2021-04-21 [$NA][[1206911](<https://crbug.com/1206911>)] High CVE-2021-30546: Use after free in Autofill. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-05-08 [$TBD][[1210414](<https://crbug.com/1210414>)] High CVE-2021-30547: Out of bounds write in ANGLE. Reported by Seong-Hwan Park (SeHwa) of SecunologyLab on 2021-05-18 [$TBD][[1210487](<https://crbug.com/1210487>)] High CVE-2021-30548: Use after free in Loader. Reported by Yangkang(@dnpushme) & Wanglu of Qihoo360 Qex Team on 2021-05-18 [$TBD][[1212498](<https://crbug.com/1212498>)] High CVE-2021-30549: Use after free in Spell check. Reported by David Erceg on 2021-05-23 [$TBD][[1212500](<https://crbug.com/1212500>)] High CVE-2021-30550: Use after free in Accessibility. Reported by David Erceg on 2021-05-23 [$NA][[1216437](<https://crbug.com/1216437>)] High CVE-2021-30551: Type Confusion in V8. Reported by Clement Lecigne of Google's Threat Analysis Group and Sergei Glazunov of Google Project Zero on 2021-06-04 [$TBD][[1200679](<https://crbug.com/1200679>)] Medium CVE-2021-30552: Use after free in Extensions. Reported by David Erceg on 2021-04-20 [$TBD][[1209769](<https://crbug.com/1209769>)] Medium CVE-2021-30553: Use after free in Network service. Reported by Anonymous on 2021-05-17 We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel. Google is aware that an exploit for CVE-2021-30551 exists in the wild. As usual, our ongoing internal security work was responsible for a wide range of fixes: * [[1218029](<https://crbug.com/1218029>)] Various fixes from internal audits, fuzzing and other initiatives Many of our security bugs are detected using [AddressSanitizer](<https://code.google.com/p/address-sanitizer/wiki/AddressSanitizer>), [MemorySanitizer](<https://code.google.com/p/memory-sanitizer/wiki/MemorySanitizer>), [UndefinedBehaviorSanitizer](<https://www.chromium.org/developers/testing/undefinedbehaviorsanitizer>), [Control Flow Integrity](<https://sites.google.com/a/chromium.org/dev/developers/testing/control-flow-integrity>), [libFuzzer](<https://sites.google.com/a/chromium.org/dev/developers/testing/libfuzzer>), or [AFL](<https://github.com/google/afl>). Prudhvikumar Bommana Google Chrome


Affected Software


CPE Name Name Version
google chrome 91.0.4472.101

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